Positions quoted in this Preliminary Notice reproduced below are referred to WGS84 or a compatible datum and may be plotted directly on this ENC. 
Some or all of the information contained in this Notice to Mariners may have been included on the ENCs affected.

3513(P)/21 CHINA — Bo Hai — Depths.
Source: Chinese Bulletin Section 1 32/21

	1. Depths less than charted exist in the approach channel to Caofeidian Gangqu Basin No 3, within an area bounded by the following positions:

		38° 58' .23N. , 118° 41' .01E.

		38° 59' .10N. , 118° 40' .45E.

		38° 59' .04N. , 118° 40' .31E.

		38° 58' .17N. , 118° 40' .87E.

	2. Mariners are advised to navigate with caution in the area.

	3. Chart 2657 will be updated when full details are available.

	   (CGCS 2000 DATUM)